{"id":"https://openalex.org/W7221139701","doi":"https://doi.org/10.48550/arxiv.2610.10715","title":"Nonlinear Feedback in Josephson Circuit Optimization: Application to a Kerr-Reversal JTWPA","display_name":"Nonlinear Feedback in Josephson Circuit Optimization: Application to a Kerr-Reversal JTWPA","publication_year":2026,"publication_date":"2026-10-07","ids":{"openalex":"https://openalex.org/W7221139701","doi":"https://doi.org/10.48550/arxiv.2610.10715"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2610.10715","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.10715","pdf_url":"https://arxiv.org/pdf/2610.10715","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2610.10715","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Palumbo, Emanuele","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Palumbo, Emanuele","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5106840377","display_name":"Alessandro Alocco","orcid":"https://orcid.org/0009-0000-3416-2620","observed_orcids":["https://orcid.org/0009-0000-3416-2620"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Alocco, Alessandro","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102715365","display_name":"Andrea Celotto","orcid":"https://orcid.org/0009-0002-0759-6049","observed_orcids":["https://orcid.org/0009-0002-0759-6049"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Celotto, Andrea","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008905647","display_name":"Luca Fasolo","orcid":"https://orcid.org/0000-0002-7537-7772","observed_orcids":["https://orcid.org/0000-0002-7537-7772"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Fasolo, Luca","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5106783477","display_name":"Bernardo Galvano","orcid":"https://orcid.org/0009-0001-3782-5618","observed_orcids":["https://orcid.org/0009-0001-3782-5618"]},"institutions":[{"id":"https://openalex.org/I4210136559","display_name":"Istituto Nazionale di Ricerca Metrologica","ror":"https://ror.org/03vn1bh77","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210104593","https://openalex.org/I4210136559","https://openalex.org/I4392021227"]},{"id":"https://openalex.org/I900890020","display_name":"University of Palermo","ror":"https://ror.org/044k9ta02","country_code":"IT","type":"education","lineage":["https://openalex.org/I900890020"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Galvano, Bernardo","raw_affiliation_strings":["Department of Engineering , University of Palermo , Palermo , Italy","Quantum Metrology and Nanotechnology Division , Istituto Nazionale di Ricerca Metrologica , Torino , Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Engineering , University of Palermo , Palermo , Italy","institution_ids":["https://openalex.org/I900890020"]},{"raw_affiliation_string":"Quantum Metrology and Nanotechnology Division , Istituto Nazionale di Ricerca Metrologica , Torino , Italy","institution_ids":["https://openalex.org/I4210136559"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075298005","display_name":"Patrizia Livreri","orcid":"https://orcid.org/0000-0001-8599-0418","observed_orcids":["https://orcid.org/0000-0001-8599-0418"]},"institutions":[{"id":"https://openalex.org/I900890020","display_name":"University of Palermo","ror":"https://ror.org/044k9ta02","country_code":"IT","type":"education","lineage":["https://openalex.org/I900890020"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Livreri, Patrizia","raw_affiliation_strings":["Department of Engineering , University of Palermo , Palermo , Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Engineering , University of Palermo , Palermo , Italy","institution_ids":["https://openalex.org/I900890020"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004211644","display_name":"Emanuele Enrico","orcid":"https://orcid.org/0000-0002-2125-5200","observed_orcids":["https://orcid.org/0000-0002-2125-5200"]},"institutions":[{"id":"https://openalex.org/I4210136559","display_name":"Istituto Nazionale di Ricerca Metrologica","ror":"https://ror.org/03vn1bh77","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210104593","https://openalex.org/I4210136559","https://openalex.org/I4392021227"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Enrico, Emanuele","raw_affiliation_strings":["Quantum Metrology and Nanotechnology Division , Istituto Nazionale di Ricerca Metrologica , Torino , Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Quantum Metrology and Nanotechnology Division , Istituto Nazionale di Ricerca Metrologica , Torino , Italy","institution_ids":["https://openalex.org/I4210136559"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11803","display_name":"Superconducting and THz Device Technology","score":0.9735999703407288,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11803","display_name":"Superconducting and THz Device Technology","score":0.9735999703407288,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.01769999973475933,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","score":0.0019000000320374966,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/nonlinear-feedback","display_name":"nonlinear feedback","score":0.6880000233650208},{"id":"https://openalex.org/keywords/circuit-optimization","display_name":"circuit optimization","score":0.7749999761581421},{"id":"https://openalex.org/keywords/traveling-wave-parametric-amplifier","display_name":"traveling-wave parametric amplifier","score":0.847000002861023},{"id":"https://openalex.org/keywords/harmonic-balance-simulation","display_name":"harmonic balance simulation","score":0.8140000104904175},{"id":"https://openalex.org/keywords/phase-matching","display_name":"phase matching","score":0.9319999814033508},{"id":"https://openalex.org/keywords/input-reflection-coefficient","display_name":"input reflection coefficient","score":0.75},{"id":"https://openalex.org/keywords/third-harmonic-suppression","display_name":"third harmonic suppression","score":0.9819999933242798},{"id":"https://openalex.org/keywords/nonlinear-microwave-devices","display_name":"nonlinear microwave devices","score":0.6769999861717224}],"concepts":[{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.6646999716758728},{"id":"https://openalex.org/C121758426","wikidata":"https://www.wikidata.org/wiki/Q5659248","display_name":"Harmonic balance","level":3,"score":0.6291999816894531},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.565500020980835},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.5515000224113464},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.5304999947547913},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.5149000287055969},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.492000013589859},{"id":"https://openalex.org/C12038964","wikidata":"https://www.wikidata.org/wiki/Q764228","display_name":"Josephson effect","level":3,"score":0.45669999718666077},{"id":"https://openalex.org/C134146338","wikidata":"https://www.wikidata.org/wiki/Q1815901","display_name":"Electronic circuit","level":2,"score":0.4487000107765198},{"id":"https://openalex.org/C612350","wikidata":"https://www.wikidata.org/wiki/Q1761108","display_name":"Impedance matching","level":3,"score":0.41850000619888306},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3970000147819519},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.39480000734329224},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3898000121116638},{"id":"https://openalex.org/C32946077","wikidata":"https://www.wikidata.org/wiki/Q618079","display_name":"Network analysis","level":2,"score":0.3758000135421753},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.36809998750686646},{"id":"https://openalex.org/C2780898871","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Performance metric","level":2,"score":0.3675000071525574},{"id":"https://openalex.org/C164466805","wikidata":"https://www.wikidata.org/wiki/Q2632607","display_name":"Parametric oscillator","level":2,"score":0.3637999892234802},{"id":"https://openalex.org/C23572009","wikidata":"https://www.wikidata.org/wiki/Q964981","display_name":"Equivalent circuit","level":3,"score":0.3538999855518341},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.3476000130176544},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.319599986076355},{"id":"https://openalex.org/C58112919","wikidata":"https://www.wikidata.org/wiki/Q631203","display_name":"Output impedance","level":3,"score":0.31850001215934753},{"id":"https://openalex.org/C127934551","wikidata":"https://www.wikidata.org/wiki/Q1148098","display_name":"Harmonic","level":2,"score":0.3140000104904175},{"id":"https://openalex.org/C194571574","wikidata":"https://www.wikidata.org/wiki/Q2251187","display_name":"Linear circuit","level":4,"score":0.3100999891757965},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30559998750686646},{"id":"https://openalex.org/C76265683","wikidata":"https://www.wikidata.org/wiki/Q1117035","display_name":"Negative feedback amplifier","level":5,"score":0.30079999566078186},{"id":"https://openalex.org/C44838205","wikidata":"https://www.wikidata.org/wiki/Q127995","display_name":"Microwave","level":2,"score":0.2935999929904938},{"id":"https://openalex.org/C207807769","wikidata":"https://www.wikidata.org/wiki/Q1071416","display_name":"Smith chart","level":4,"score":0.29249998927116394},{"id":"https://openalex.org/C46205389","wikidata":"https://www.wikidata.org/wiki/Q1270401","display_name":"Electronic circuit simulation","level":3,"score":0.2921999990940094},{"id":"https://openalex.org/C54767332","wikidata":"https://www.wikidata.org/wiki/Q1751572","display_name":"Phase response","level":3,"score":0.28600001335144043},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.274399995803833},{"id":"https://openalex.org/C131770355","wikidata":"https://www.wikidata.org/wiki/Q876215","display_name":"Harmonic analysis","level":2,"score":0.2567000091075897},{"id":"https://openalex.org/C2781089630","wikidata":"https://www.wikidata.org/wiki/Q21856745","display_name":"Realization (probability)","level":2,"score":0.2554999887943268}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2610.10715","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.10715","pdf_url":"https://arxiv.org/pdf/2610.10715","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2610.10715","doi":"https://doi.org/10.48550/arxiv.2610.10715","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2610.10715","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2610.10715","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.10715","pdf_url":"https://arxiv.org/pdf/2610.10715","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7221139701.pdf","grobid_xml":"https://content.openalex.org/works/W7221139701.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2990808239","https://openalex.org/W2741405913","https://openalex.org/W2930963700","https://openalex.org/W171498341","https://openalex.org/W1923557893","https://openalex.org/W6910607293","https://openalex.org/W2637045610","https://openalex.org/W2241158384","https://openalex.org/W6987480283","https://openalex.org/W4413122551"],"abstract_inverted_index":{"Optimizing":[0],"Josephson-based":[1],"nonlinear":[2,20,55,87],"microwave":[3],"devices":[4],"is":[5,104,118,154],"computationally":[6],"demanding":[7],"because":[8],"the":[9,79,94,99,127,130,141,166],"straightforward":[10],"approach":[11,103],"requires":[12],"exploring":[13],"broad":[14],"circuit":[15,42],"parameter":[16],"spaces":[17],"through":[18],"expensive":[19],"simulations.":[21],"Josephson":[22,108],"Circuits":[23],"Optimizer":[24],"addresses":[25],"this":[26],"problem":[27],"by":[28,54],"using":[29,106],"harmonic":[30],"balance":[31],"simulations":[32,38,56],"in":[33,172],"two":[34],"stages:":[35],"fast":[36],"linear":[37,81,100,131],"to":[39,45,57,98,165],"select":[40],"promising":[41],"configurations":[43,147],"according":[44],"properties":[46],"such":[47,65],"as":[48,66,160],"impedance":[49,67],"and":[50,69,132],"phase":[51,73],"matching,":[52],"followed":[53],"optimize":[58],"their":[59],"operating":[60],"conditions.":[61],"However,":[62],"pump-induced":[63],"effects":[64],"renormalization":[68],"Kerr-induced":[70],"modifications":[71],"of":[72,136],"matching":[74],"are":[75],"not":[76],"captured":[77],"during":[78],"initial":[80],"stage.":[82],"We":[83,124],"therefore":[84],"introduce":[85],"a":[86,107,113,137,156],"feedback":[88,158],"extension":[89],"that":[90],"transfers":[91],"information":[92],"from":[93],"pumped":[95,133],"response":[96,134],"back":[97],"optimization.":[101],"The":[102],"investigated":[105],"traveling-wave":[109],"parametric":[110],"amplifier":[111],"with":[112,148],"reversed-Kerr":[114],"architecture,":[115],"whose":[116],"model":[117],"validated":[119],"against":[120],"experimental":[121],"gain":[122,167],"measurements.":[123],"then":[125],"evaluate":[126],"difference":[128],"between":[129],"values":[135],"metric":[138],"based":[139],"on":[140],"input":[142],"reflection":[143],"coefficient,":[144],"while":[145],"excluding":[146],"insufficient":[149],"third-harmonic":[150],"suppression.":[151],"This":[152],"discrepancy":[153],"considered":[155],"candidate":[157],"observable,":[159],"it":[161],"exhibits":[162],"features":[163],"similar":[164],"landscape,":[168],"supporting":[169],"its":[170],"use":[171],"subsequent":[173],"optimization":[174],"cycles.":[175]},"counts_by_year":[],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2026-10-10T00:00:00"}